Question

计算下面各题。能简算的简算。谢谢，要过程，急急急。

101×98 (2.4＋2.4÷0.6)×2分之1 9分之8÷9分之7×4分之3

Answer 1

1、=(100+1)×98
=100×98+98
=9800+98
=9898

2、=2.4×1/2+4×1/2
=1.2+2
=3.2

3、升洞8/9×9/颂祥7×3/吵樱枯4
=8/7×3/4
=6/7

Answer 2

101×98
=(100+1)(100-2)
=10000-200+100-2
=9898;
(2.4＋2.4÷0.6)×2分之1
=(2.4+4)×(1/2)
=6.4×(1/2)
=3.2;
9分之8÷9分之7×4分之3

=(8/9)×(9/7)×(3/4)
=6/7;
如果本题有坦知陪什么不明白可以追问，如果满意记得猛旅采纳
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祝学习进步

Answer 3

101×98
=（段氏唯100+1 ）x98
=100x98+1x98
=9800+98
=9898
(2.4＋2.4÷0.6)×2分之1
=(2.4+4)x1/2
= 2.4x1/2+ 4x1/2
=1.2+2
-3.2
9分之8÷9分之7×4分之3
=8/9x9/7x3/核雀4(一次性约分）握培
=6/7

Answer 4

101×98
=100×98+98
=9898

(2.4＋2.4÷0.6)×2分之1
=(2.4+4)x2分枣册之1
=6.4×2分凳闹宏之1
=3.2

8/9×9/7×3/4
=8/7×3/弯扮4
=6/7